CPC G01S 7/0232 (2021.05) [G01S 13/931 (2013.01); H04W 72/0453 (2013.01)] | 21 Claims |
1. A method implemented by a detection apparatus, wherein the method comprises:
determining a first frequency point of N frequency points, wherein N is a positive integer greater than 1; and
transmitting a radio signal in a first frequency band of N frequency bands,
wherein the first frequency point is in the first frequency band,
wherein a bandwidth of the first frequency band is a frequency sweep bandwidth of the radio signal,
wherein either:
one of the N frequency bands partially overlaps at least one of other N−1 frequency bands of the N frequency bands, and an absolute value of a difference between lowest frequencies of any two of the N frequency bands is not less than a first threshold (F); or
the N frequency bands have at least one second frequency band that partially overlaps the first frequency band, and an absolute value of a difference between a lowest frequency of each of the at least one second frequency band and a lowest frequency of the first frequency band is not less than F,
wherein F is related to a maximum detection distance, a maximum interference tolerance distance, or a transmit timing moment error, and
wherein F is greater than a first frequency change range (F1) of the radio signal in a first time length (T1).
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